function MM_jumpMenu(targ,selObj,restore) { //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function validate_number(theForm, element, name){
	value = theForm.elements[element].value;
	len = value.length;
	if(!len){
		alert(name + ' value colud not be empty');
		return false;
	}

	for(i=0; i<len;i++){
		valid = false;
		for(j=0; j<10; j++){
			if(value.charAt(i) == j){
				valid = true;
				break;
			}
		}
		if(!valid){
			alert(name + ' must be an integer');
			return false;
		}
	}
	return true;
}

function view_sorted(theForm, sortby, order)
{
	theForm.elements['sortby'].value = sortby
	theForm.elements['order'].value = order
	theForm.submit()
	return true
}